from bs4 import BeautifulSoup

doc_html = "<html><body><p><contentone></p><b><contenttwo></b></body></html>"
soup = BeautifulSoup(doc_html, 'lxml')
print(soup.p)
print(soup.html.body.b)

doc2_html = "<html><body><p><contentone></p><b><contenttwo></b></body></html>"
soup = BeautifulSoup(doc2_html, "lxml")
print(soup.contents)
print(soup.contents[0].contents)
print(soup.contents[0].contents[0].contents)

for child in soup.children:
    print(child)

tag_p = soup.p
tag_p_parent = tag_p.parent
print(tag_p_parent)

tag_p_next_sibling = soup.p.next_silbing
tag_b_previous_sibling = soup.b.previous_sibling
print(tag_p_next_sibling)
print(tag_b_previous_sibling)
